{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Adjusted relative risks of coronary artery disease were 1 . 0 , 0 . 81 , 0 . 99 , 1 . 26 , and 1 . 91 ( P for trend = 0 . 01 ) and of stroke were 1 . 0 , 0 . 52 , 1 . 23 , 2 . 22 , and 2 . 57 ( P for trend < 0 . 01 ) ."}
{"Disease": ["coronary artery disease", "stroke"], "Chemical": []}